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To open a port for only one host on LAN you would need to create 2 traffic rules. One rule to block LAN traffic from accessing the port on device, and the second rule to allow only a single host to access that port. Both rules have similarities. The steps below describe how to create and configure both rules with differences mentioned.
To open a port for only one host on LAN you would need to create 2 traffic rules. One rule to block LAN traffic from accessing the port on device, and the second rule to allow only a single host to access that port. Both rules have similarities. The steps below describe how to create and configure both rules with differences mentioned.
====Block traffic on a specific port from LAN====
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A traffic rule to block packets on a specific port from LAN:
*In the '''‘Add type’''' field choose '''‘open ports on router’'''.
*In the '''‘Add type’''' field choose '''‘open ports on router’'''.
*Enter a name of your choice for this rule.
*Enter a name of your choice for this rule.
Scroll down and press '''‘Save & Apply’'''.
Scroll down and press '''‘Save & Apply’'''.
The second rule:
The rule should not be created and enabled. The traffic coming from LAN to port 5000 on the device will now be dropped.
====Allow traffic on a specific port from a single host in LAN====
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The second traffic rule to allow traffic on a specific port from a single host in LAN:
*In the '''‘Add type’''' field choose '''‘open ports on router’'''.
*In the '''‘Add type’''' field choose '''‘open ports on router’'''.